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Sony PCG-F680 Wifi
The WiFi in your laptop, if so equipped, makes use of a wireless adapter to send and receive signals to and from your router. A lot of newer wireless adapters are simply plug and play, in that you just plug it in the USB port and the OS will handle everything from there. Buying a wireless adapter is quite easy because the only thing you have to know is the operating system that is installed on your laptop. It is much simpler to buy a new USB adapter and just plug it in, than to replace any built-in adapter your laptop may have.
Important signs the wireless card is dead
- The laptop wireless driver shows it as not installed
- The wireless adapter on your laptop does not connect at all
- The WiFi goes out randomly throughout the day
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Feel free to download your manual for help.
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